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DHCP 请求与租用时间不符，向服务器发出的请求数量过多

tag-icon • tag-icon dhcp mac-osx-server dhcp-server osx-mountain-lion
DHCP 请求与租用时间不符，向服务器发出的请求数量过多

环境包含 OS X 10.6.8 服务器和 OS X 10.8.2 客户端。DHCP 在服务器上运行，租约时间为 1 天（86400 秒）。系统日志中每 2 小时记录一次 DHCP REQUEST/ACH 消息（不是预期的 1 天间隔）。请参阅下面的日志“服务器日志”。

在客户端。我检查了 en0 接口的 var/db/dhcpclient/leases 内容。这是唯一启用的接口。结果符合预期。LeaseLength 键的值为 85536 秒（假设它将从 LeaseStartDate 开始递减）。请参阅下面的文件“var/dv/dhcpclient/leases”。

任何关于导致此行为的原因的见解都将不胜感激。谢谢！

服务器日志：

2/27/13 10:00:17 PM bootpd[84012]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/27/13 10:00:18 PM bootpd[84012]   ACK sent labmac36 192.168.6.67 pktsize 322
2/27/13 10:00:24 PM bootpd[84012]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/27/13 10:00:24 PM bootpd[84012]   ACK sent labmac36 192.168.6.67 pktsize 322
2/27/13 10:00:25 PM bootpd[84012]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/27/13 10:00:25 PM bootpd[84012]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 12:00:44 AM bootpd[85662]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 12:00:44 AM bootpd[85662]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 12:00:51 AM bootpd[85662]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 12:00:51 AM bootpd[85662]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 2:01:12 AM  bootpd[87335]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 2:01:12 AM  bootpd[87335]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 2:01:18 AM  bootpd[87335]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 2:01:18 AM  bootpd[87335]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 2:01:19 AM  bootpd[87335]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 2:01:19 AM  bootpd[87335]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 4:01:39 AM  bootpd[89028]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 4:01:39 AM  bootpd[89028]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 4:01:46 AM  bootpd[89028]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 4:01:46 AM  bootpd[89028]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 6:02:06 AM  bootpd[90654]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 6:02:06 AM  bootpd[90654]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 6:02:14 AM  bootpd[90654]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 6:02:14 AM  bootpd[90654]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 6:02:15 AM  bootpd[90654]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 6:02:15 AM  bootpd[90654]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 7:41:52 AM  bootpd[92105]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 7:41:52 AM  bootpd[92105]   ACK sent labmac36 192.168.6.67 pktsize 322
2/28/13 7:41:59 AM  bootpd[92105]   DHCP REQUEST [en0]: 1,d4:9a:20:d5:7a:9c <labmac36>
2/28/13 7:41:59 AM  bootpd[92105]   ACK sent labmac36 192.168.6.67 pktsize 322

labmac36 上 en0 接口的 /var/db/dhcpclient/leases 内容

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>IPAddress</key>
    <string>192.168.6.67</string>
    <key>LeaseLength</key>
    <integer>85536</integer>
    <key>LeaseStartDate</key>
    <date>2013-02-28T12:41:58Z</date>
    <key>PacketData</key>
    <data>
    AgEGAPomDwgAAAAAAAAAAMCoBkPAqAYKAAAAANSaINV6nAAAAAAAAAAAAABucy5zaGls
    bGluZ3RvbnNjaG9vbC5jb20AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
    AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
    AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
    AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABjglNjNQEFNgTAqAYKMwQAAU4g
    AQT///8AAwTAqAYBBgTAqAYKDxVzaGlsbGluZ3RvbnNjaG9vbC5jb213FxFzaGlsbGlu
    Z3RvbnNjaG9vbANjb20A/w==
    </data>
    <key>RouterHardwareAddress</key>
    <data>
    AB2qgZwc
    </data>
    <key>RouterIPAddress</key>
    <string>192.168.6.1</string>
</dict>
</plist>

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